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Finding the Fourth Proportional to 119,686.76, 165,161.21 and 65,967.55

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Solution

The fourth proportional to 119,686.76, 165,161.21 and 65,967.55 is: 91,031.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,686.76 : 165,161.21 = 65,967.55 : x
  2. Step 2: Convert to fraction form
    119,686.76/165,161.21 = 65,967.55/x
  3. Step 3: Cross multiply
    119,686.76x = 165,161.21 × 65,967.55
  4. Step 4: Simplify right side
    119,686.76x = 10,895,280,982.14
  5. Step 5: Solve for x
    x = 10,895,280,982.14/119,686.76
  6. Step 6: Final answer
    x = 91,031.63

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